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Slippery Elm Bark Extract 白底图.jpg

Slippery Elm Bark Extract

  • Product Name Slippery Elm Bark Extract
  • Latin name Indigofera tinctoria L.
  • CAS No 10:1, 50:1, 100:1, 200:1
  • Test Method TLC
  • Part Used Bark
  • Certificates HACCP, FSSC22000, Kosher, Halal, FDA, SGS
  • Shelf Time 2 years
  • Package 25kg/Drum
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product details

Introduction

Commercial production involves careful harvesting of the inner bark (ensuring sustainable forestry practices), followed by drying, milling, and aqueous extraction to concentrate the mucilage and other bioactive compounds. The extract is then spray-dried into a fine powder, standardized for mucilage content to ensure consistent quality.

Physically, Slippery Elm Bark Extract is a light brown to beige fine powder with a mild, slightly sweet herbal aroma. It is highly hydrophilic, forming a viscous colloidal solution in water. The product is stable under cool, dry storage conditions and is widely used in nutraceuticals, functional foods, herbal remedies, and throat-soothing formulations.

Slippery Elm Bark Extract is obtained from the inner bark of the Ulmus rubra tree, native to North America. The inner bark is rich in mucilage polysaccharides, which form a soothing, gel-like texture when mixed with water. Traditionally used by Native Americans for centuries, slippery elm bark has been valued for its demulcent and protective properties, particularly for the throat, stomach, and intestinal lining.

Slippery Elm Bark Extract (2)

Typical Specifications

Item

Specification

Mucilage Content

≥20%

Appearance

Light brown to beige fine powder

Botanical Source

Ulmus rubra (inner bark)

Identification

TLC/UV spectrum consistent with reference

Loss on Drying

≤5.0%

Residue on Ignition

≤5.0%

Heavy Metals

≤10 ppm

Microbiology

TPC ≤1,000 cfu/g; Yeast & Mold ≤100 cfu/g; E. coli/Salmonella:Negative

Solubility

Forms viscous colloid in water

Packaging

25 kg fiber drum with inner PE liner

Storage

Store in a cool, dry place; protect from moisture

Benefits

✓ Soothing demulcent effect for the throat, stomach, and intestines

✓ Supports digestive comfort and mucosal protection

✓ Natural, plant-derived ingredient suitable for herbal and clean-label products

Slippery Elm Bark Extract (3)

Application

Nutraceuticals: Capsules, tablets, lozenges, and powder blends for digestive and throat health

Functional Foods & Beverages: Herbal teas, throat-coating drinks, nutrition powders

Herbal Remedies: Traditional and natural health formulas for soothing mucosal tissues

Slippery Elm Bark Extract (4)

Product Processing

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Standard and Certificates 

All of our products are made in a GMP-compliant facility where every step of production is carefully managed. Over the years, our factory has passed several well-recognized audits, including HACCP, ISO22000 and ISO9001. The products also meet Kosher and Halal requirements, and we hold FDA registration as well. These certifications reflect the standards we follow rather than just labels we collect—they’re part of how we ensure consistency and safety in every batch. 


Free Sample Available 

If you’d like to get a feel for the product before placing an order, we can send you a free sample. In most cases, we provide around 10–20 grams so you can evaluate the quality yourself. For items with higher raw material costs, we will confirm the exact amount we can offer so everything is clear before shipping. 


Standard Packaging and Private Label 

For regular shipments, we usually pack goods in 1–5 kg aluminum foil bags, 10–20 kg cartons, or 10–30 kg fiber drums, depending on the item and order size. 
If you’re planning to sell under your own brand, we also handle private labeling. We can help design and produce packaging with your logo or artwork so the products arrive ready for retail. Many customers find this saves them a lot of time compared with printing and repacking on their end. 

Shipping Method 

Orders under one metric ton are generally shipped through major express couriers such as DHL, FedEx, UPS or EMS. For larger quantities, we can arrange transport by sea or railway. The best method depends on your location and how quickly you need the goods, so we’ll help you choose the most practical option. 


After Sale Services 

Most of our products remain stable for up to two years, and we guarantee their quality within that period. If anything arrives below your expectations, our return process is straightforward. You can send back the portion in question, and we will refund the corresponding amount—no complicated procedures or hidden conditions. 

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